Hushboard is a free and open source audio application for Linux. It is written in Python and released under MIT License. Using Hushboard, you can mute the mic while you are typing and it un-mutes again when you stop typing. Currently it only works in Xorg session and not in Wayland sessions.
How to Install Hushboard on Ubuntu Linux
Hushboard is available as a snap and flatpak package files. Open the terminal command-line application (ctrl+alt+t) and run below Hushboard snap install command.
sudo snap install hushboard
After the installation you can open the Hushboard app using the show applications menu or via below command.
And uninstall Hushboard using below command.
sudo snap remove hushboard
Install Hushboard via Flatpak:
Hushboard is also available as a flatpak package file from the remote flathub. First install flatpak and flathub on your system and restart it after the installation.
After that open the terminal and run Hushboard flatpak install command.
flatpak install flathub org.kryogenix.hushboard
And you can open Hushboard using below command.
flatpak run org.kryogenix.hushboard
And uninstall Hushboard flatpak using below command.
sudo flatpak uninstall org.kryogenix.hushboard